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This is a _very_ downstripped 8086 emulator. It has an interactive debugger and a disassembler. License: Creative commons, see: http://creativecommons.org/licenses/by-sa/3.0/ Would be happy to hear if you do something fun with it :) julien dot aubert at gmail dot com Note: the program "codegolf" was not made by me, it was made by "copy" http://codegolf.stackexchange.com/users/3428/copy See here: http://codegolf.stackexchange.com/questions/4732/emulate-an-intel-8086-cpu === HOW-TO === Run (requires curses): python emu8086.py Interactive debugger: python dbg.py Output all states: python dbg.py a === TEST === Run unit tests: python emu8086_test.py Run texttest: 1 enter directory "texttest" 2 start texttest (tested on version 3.22) 3 in the left window under "texttest (e86)" select "RunProgram" (or "Disasm" to test the disasm output) 4 press Run This test runs the output of all states and compares the output with a known correct output. This is a good integration test to make sure changes do not break the behavior. For more info about texttest see: http://texttest.carmen.se/index.php?page=download === MORE INFO === It only supports the bare minimum required to run a program "codegolf". See here: http://codegolf.stackexchange.com/questions/4732/emulate-an-intel-8086-cpu Not supported: segments prefixes interrupts or port IO string functions two-byte opcodes floating point Instructions supported: mov, push, pop, xchg add, adc, sub, sbb, cmp, and, or, xor inc, dec call, ret, jmp jb, jz, jbe, js, jnb, jnz, jnbe, jns stc, clc hlt, nop Flags supported: carry, zero and sign flags